html{font-size: 16px;}
@media screen and (max-width:321px){html{font-size:15px!important}}       
@media only screen and (min-width:400px){html{font-size:17px!important}}
@media only screen and (min-width:414px){html{font-size:18px!important}}
@media only screen and (min-width:480px){html{font-size:19px!important}}        
body{font-family:'微软雅黑';min-width:320px;max-width:640px;margin:0 auto;font-size:.9rem;width:100%;background: #fff;}
*{margin:0;padding:0}
a{text-decoration:none;color:#000}
ul{list-style-type:none}
[v-cloak]{ display: none; }